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Discussion Starter · #1 ·
OK

So I'm brand new to sledding and I have an AC 1999 ZL500. It starts great. First pull. Once it gets warmed up, it idles just fine. When I go to move, sometimes it engages and sometimes, it sounds like it runs out of fuel.

I changed the trottle switch and am now poorer, but no further along.

Yesterday, playing with it, I noticed that if I tried to hold it a 3000 rpm it took about 30 seconds before dying. Only about 10 seconds at 4000.

If it starts to die and I let off the throttle and then give it just a bit of fuel, I can usually save it.

The carbs have been cleaned.

Any other suggestions?

Is this a not enough fuel or a too much air problem?
 

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Discussion Starter · #3 ·
Would that cause the shut off below engagement?

I can actually rev to 3500 rpm and just hold it there and it will die off. It doesn't engage until 4500.
 

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Check the fuel strainer in the fuel tank. It may be plugged. Also check for a cracked pulse line from the crankcase to the fuel pump. While you're in there replace the two short drain hoses on the bottom of the carbs. They cost less than $2. Old ones will crack and dump gas on your engine causing a torched sled. Mine split one time but I was lucky. mantabill
 
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